INTERNAL ERROR on match-case statement about mypy HOT 1 OPEN

  File "/layers/google.python.pip/pip/lib/python3.12/site-packages/mypy/checker.py", line 5107, in visit_match_stmt
    pattern_types = [self.pattern_checker.accept(p, subject_type) for p in s.patterns]
                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/layers/google.python.pip/pip/lib/python3.12/site-packages/mypy/checkpattern.py", line 129, in accept
    result = o.accept(self)
             ^^^^^^^^^^^^^^
  File "/layers/google.python.pip/pip/lib/python3.12/site-packages/mypy/patterns.py", line 93, in accept
    return visitor.visit_sequence_pattern(self)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/layers/google.python.pip/pip/lib/python3.12/site-packages/mypy/checkpattern.py", line 335, in visit_sequence_pattern
    new_type = self.construct_sequence_child(current_type, new_inner_type)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/layers/google.python.pip/pip/lib/python3.12/site-packages/mypy/checkpattern.py", line 756, in construct_sequence_child
    assert isinstance(proper_type, Instance)
AssertionError